| Leon to Karlovo | 1,535.95 mi (2,471.87 km) |
| Leon to Karnobat | 1,644.76 mi (2,646.98 km) |
| Leon to Kavarna | 1,701.73 mi (2,738.67 km) |
| Leon to Kazanlak | 1,565.92 mi (2,520.11 km) |
| Leon to Knezha | 1,490.48 mi (2,398.70 km) |
| Leon to Kostinbrod | 1,454.37 mi (2,340.58 km) |
| Leon to Kozloduy | 1,470.58 mi (2,366.66 km) |
| Leon to Kyustendil | 1,433.97 mi (2,307.75 km) |
| Leon to Levski | 1,543.94 mi (2,484.73 km) |
| Leon to Lom | 1,445.68 mi (2,326.60 km) |
| Leon to Lovech | 1,525.73 mi (2,455.43 km) |
| Leon to Lukovit | 1,497.63 mi (2,410.20 km) |
| Leon to Lyaskovets | 1,575.86 mi (2,536.11 km) |
| Leon to Mezdra | 1,474.90 mi (2,373.63 km) |
| Leon to Momchilgrad | 1,582.15 mi (2,546.22 km) |
